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Simple Monitoring Tools for Docker

A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.

containerCount.sh

Very simple shell script to count the number of containers on the docker instance.

Usage

containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.

containerHelper.py

A script inspired from a nice article about metric. It enables you to get several metrics from a running container:

  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity

Usage

containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.

dockerDDNS.py

A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.

Usage

dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation

This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.

About

No description, website, or topics provided.

Resources

Readme
MIT license
Activity

Stars

0 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
About
No description, website, or topics provided.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Simple Monitoring Tools for Docker
A set of scripts I use on a server with a Docker instance. All monitoring scripts are used with Zabbix.
containerCount.sh
Very simple shell script to count the number of containers on the docker instance.
Usage
containerCount.sh (all|running|crashed)

Print the number of containers on the Docker instance.
containerHelper.py
A script inspired from a nice article about metric. It enables you to get several metrics from a running container:
  • the user or system cpu used by the container
  • the memory used by the container
  • the ip address of the container
  • the container status: running, stopped, crashed or paused
  • the container's network activity
Usage
containerHelper.py [-h] container {cpu,ip,memory,network,status} ...
positional arguments:
container Container name
optional arguments:
-h, --help show this help message and exit
Counters:
Available counters
{cpu,ip,memory,network,status}
cpu Display CPU usage
ip Display IP Address
memory Display memory usage
network Display network usage
status Display the container status

Additional information may be required depending on the counter prameter.
dockerDDNS.py
A daemon to update a dynamic DNS when Docker starts containers. Designed to be used with bind9. Have a look at this page to setup correctly your DNS before using it.
Usage
dockerDDNS.py [-h] --key KEY [--server SERVER] --domain DOMAIN
[--zone ZONE] [--log-level LOG_LEVEL]
[--log-file LOG_FILE]
optional arguments:
-h, --help show this help message and exit
--key KEY Path to the dynamic dns key
--server SERVER IP/Hostname of the server to update
--domain DOMAIN The domain to be updated
--zone ZONE The zone to be updated (default to the domain)
--catchup Register the running containers on startup
--log-level LOG_LEVEL
Log level to display
--log-file LOG_FILE Where to put the logs

Installation
This script is designed to run as a daemon after Docker's startup. You'll find in the upstart directory a configuration file to have it launched on boot.
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